TV Show90%
Secret Sister
Reality
Celebrities become an Unnie (older sister) for a day to a younger celebrity spending 24 hours together, sharing one bed and one blanket.
May 4, 20181 seasons19 episodesEndedKO
Networks
JTBC4
KRCelebrities become an Unnie (older sister) for a day to a younger celebrity spending 24 hours together, sharing one bed and one blanket.
JTBC4
KR
